/* #mixly-lib-test.blocklyTreeRow > div.blocklyTreeRowContentContainer > span.blocklyTreeIcon{
    background:url('../media/test.svg') no-repeat;
    background-size: 100% auto;
}

#mixly-lib-test.blocklyTreeRow.blocklyTreeSelected > div.blocklyTreeRowContentContainer > span.blocklyTreeIcon{
    background:url('../media/test2.svg') no-repeat;
    background-size: 100% auto;
} */